(a)250 kg of water at 1 bar and 35°C is turned into wet steam at 7...

(a)250 kg of water at 1 bar and 35°C is turned into wet steam at 7 bar (x = 0.95). Given at 1 bar hf = 417 kJ/kg, hfg = 2258 kJ/kg, Tsat = 100°C and at 7 bar hf = 697 kJ/kg, hfg = 2067 kJ/kg, Tsat = 165°C. Determine the energy required.

(b)Determine the mass of dry saturated steam at 1 bar that must be added to 500 kg of water at 20°C to achieve a final water temperature of 45°C. Given; hf = 417 kJ/kg, hfg = 2258 kJ/kg. Tsat = 100°C.

Expert Solution

Assume subcooled liquid is incompressible liquid and take specific heat as 4.2 Kj/kg-k.

samet mamat answered 7 months ago

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